1. Oligopoly and the Theory of Games;Friedman,1977
2. Differential Topology;Guillemin,1974
3. The stability of the Cournot oligopoly solution;Hahn;Rev. Econ. Studies,1962
4. Differential Equations, Dynamical Systems and Linear Algebra;Hirsch,1974
5. Matrices with dominant diagonals and economic theory;McKenzie,1960